| Primary satellite | Secondary satellite |
| Name | Kosmos-1745 | FENGYUN 1C DEB |
| Spacetrack catalog number | 16727 | 31146 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:20 | 2024 Dec 22 17:00 |
| Time of closest approach (UTC) | 2024 Dec 28 10:40:09.785 |
| Minimum distance | 1.295 km |
| Height difference | -0.856 km |
| Relative speed | 13.579 km/s |
| Angle between velocity vectors | 136° |
| Geographic position | 81.0°S, 114.3°E |
| Height | 990 km |
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